[Buildroot] [PATCH v2 1/3] arch: add support for mcf5441x Colfdire

[Jean-Michel Hautbois]

On 10/04/2024 23:17, Thomas Petazzoni via buildroot wrote:
> On Wed, 10 Apr 2024 23:08:14 +0200
> Jean-Michel Hautbois <jeanmichel.hautbois at yoseli.org> wrote:
> 
>>> What happens when you don't specify -march? Do you know which of isaa,
>>> isaaplus, isab and isac the MCF5441x corresponds to?
>>
>> I did not check what happens, but based on the following file it is isac:
>> https://github.com/gcc-mirror/gcc/blob/master/gcc/config/m68k/m68k-devices.def#L168
> 
> And if you specify -mcpu instead, does it work? What doesn't work if
> you omit -march?

If I change the line to pass isac, host-gcc-final doest not build at all:
<snip>
checking if mkdir takes one argument... no
Invalid --with-arch=isac
make[3]: *** [Makefile:4553: configure-gcc] Error 1
make[2]: *** [Makefile:1029: all] Error 2
make[1]: *** [package/pkg-generic.mk:283: 
/home/jm/Projects/wabtec/buildroot/output/build/host-gcc-final-12.3.0/.stamp_built] 
Error 2

As I am not as experimented as you with toolchains, I would certainly 
appreciate some guidance to debug if needed.

I can tell for sure that with "cf" and the 54455 family specified, it 
builds my applications ;-).

JM